Is it possible to create a spider which inherits the functionality from two base spiders, namely SitemapSpider and CrawlSpider?
I have been trying to scrape data from various sites and realized that ...

This is a question I tried to avoid several times, but I finally couldn't escape the subject on a recent project. I tried various solutions and decided to use one of them and would like to share it ...

I am trying to implement a Priority Queue using a Vector template in C++. I am most comfortable with Java and want to mimic the idea of an Interface, where all objects that can use the Priority Queue ...

I'm implementing hardware drivers for an embedded C/C++ project, and trying to make things a bit more flexible for future projects.
I have the vast majority of the work done in LCD.hpp/LCD.cpp, where ...

Word description (code below): I have a library that provides a collection of classes. For each group of class we have two concrete types, (ClassA_Partial, ClassA), (ClassB_Partial, ClassB) etc. Each ...

I'm working on a multiple inheritance project in C++. I have separate files for class definitions (.h) and implementations (.cpp). Since this is the first time I've used inheritance in C++ (the rest ...

Does non-polymorphic inheritance require this pointer adjustment? In all the cases I've seen this pointer adjustment discussed the examples used involved polymorphic inheritance via keyword virtual.
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I have a reference class Child which inherits from parents SuperA and SuperB. When in the initialize method of Child, I would like to invoke the initialize methods of both SuperA and SuperB in turn.
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I am working on a project that uses a tcl interpreter, we bind c++ objects and methods to tcl commands. The bindings are c++ functions that have a ClientData pointer parameter (which is pretty much a ...

At runtime.
Please read before commenting, the problem is very subtle (Its not as simple as using an assert typeid )
I have made my own implementation of a scene graph and I have it so that you can ...

Apologize if this is a duplicate, tried searching.
I understand that everything in python is a data type, but this is what I'm a bit confused about. So everything is an object, we have the collection ...

It's obvious that the following code won't compile, because it gives an "undeclared identifier" error at the line 'n = n_init'. Nevertheless, to a human reader the intent is probably clear enough: I ...

Please do not bash me or say that I am wrong for asking this question or that multiple inheritance is evil. This question is to get a better understanding of how C++ compliers work. I know that the ...

I'm experimenting with multiple inheritance in Scala. I get that there is a right-to-left resolution, but I don't understand the role of the override keyword. Let's consider the following snippet :
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I am trying to create base.html and load several child templates named "nav.html", "contents.html" and "footer.html" on the base. I want to make all three child templates be loaded on the base.html ...